Hammer



FIG. 1 is a perspective view of the hammer showing our new design;

FIG. 2 is a left side elevational view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a right side elevational view;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof.

FIG. 7 is a cross-sectional view thereof taken along the line 7--7 in FIG. 1. 

The ornamental design for a hammer, as shown and described. 